Forum: Subscriptions page right and left arrows are not displaying properly

If you pull up a forum subscriptions page and turn editing on, the forum renderer does not seem to be displaying rarrow and larrow correctly.

In /lib/outputcomponents.php the attribute function returns:

return ' ' . $name . '="' . s($value) . '"';

So the ampersand is being quoted. Removing s() - in other words:

return ' ' . $name . '="' . $value . '"';

shows the correct characters; however, Petr commented:

// no sloppy trimming here!

when he added the code:
http://cvs.moodle.org/moodle/lib/outputcomponents.php?view=diff&r1=1.72&r2=1.73